<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }"
                >首页</el-breadcrumb-item
            >
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片式图区域 -->
        <el-card>
            <!-- 搜索与添加区域 -->
            <el-row :gutter="10">
                <el-col :span="6">
                    <el-input
                        placeholder="请输入内容"
                        v-model="queryInfo.query"
                        @click="getGoodsList"
                        clearable
                        @clear="getGoodsList"
                    >
                        <el-button
                            slot="append"
                            icon="el-icon-search"
                            @click="getGoodsList"
                        ></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddGoodsPage"
                        >添加商品</el-button
                    >
                </el-col>
            </el-row>
            <!-- table表格区域 -->
            <el-table :data="goodsList" border stripe>
                <el-table-column type="index"> </el-table-column>
                <el-table-column label="商品名称" prop="goods_name">
                </el-table-column>
                <el-table-column
                    label="价格（元）"
                    prop="goods_price"
                    width="100px"
                >
                </el-table-column>
                <el-table-column
                    label="商品重量"
                    prop="goods_weight"
                    width="100px"
                >
                </el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="180px">
                    <!-- 使用过滤器处理时间 -->
                    <template slot-scope="scope">
                        {{ scope.row.add_time | dateFormat }}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <!-- 编辑 -->
                        <el-button
                            type="primary"
                            icon="el-icon-edit"
                            size="mini"
                        >
                        </el-button>
                        <!-- 删除 -->
                        <el-button
                            type="danger"
                            @click="removeGoodsById(scope.row.goods_id)"
                            icon="el-icon-delete"
                            size="mini"
                        >
                        </el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
                background
            >
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            // 查询参数对象
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10,
            },
            // 商品列表
            goodsList: [],
            // 总数
            total: 0,
            // 

        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取商品的列表数据
        async getGoodsList() {
            const { data: res } = await this.$http.get('goods', {
                params: this.queryInfo,
            })
            if (res.meta.status !== 200) {
                return this.$message.error('获取商品列表失败')
            }
            this.$message.success('获取商品列表成功')
            // console.log(res.data)
            this.goodsList = res.data.goods
            this.total = res.data.total
        },
        // 监听pagesize的变化
        handleSizeChange(newPageSize) {
            // 更新
            this.queryInfo.pagesize = newPageSize
            // 重新获取
            this.getGoodsList()
        },
        // 监听 当前是第几页
        handleCurrentChange(newPageNum) {
            this.queryInfo.pagenum = newPageNum
            // 重新获取
            this.getGoodsList()
        },
        //
        async removeGoodsById(id) {
            const confirmResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning',
            }).catch( err=>err )
            if(confirmResult==='cancel'){
                return this.$message.info('取消删除');
            }
            const {data:res}=await this.$http.delete(`goods/${id}`);
            if (res.meta.status !== 200) {
                return this.$message.error('删除商品失败')
            }
            this.$message.success('删除商品成功')
            this.getGoodsList();
        },
        // 跳转到添加及商品的页面
        goAddGoodsPage(){
            // 路由导航，跳转组件页面
            this.$router.push('/goods/add');
        }
    },
}
</script>

<style lang="less" scoped>

</style>

